Synology RS4021xs Product Specifications
Synology RS4021xs Manual
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- Synology RS4021xs | Product Specifications - Page 1
Product Specifications RS4021xs+ Last updated: Oct 19, 2022 - Synology RS4021xs | Product Specifications - Page 2
compatibility and reliability. Synology will not provide complete product warranty or technical support if non- Synology memory modules are used for memory expansion. For more information about the recommended memory configurations, please check the Hardware Installation Guide of your Synology - Synology RS4021xs | Product Specifications - Page 3
with Expansion Unit 40 (RX1217/RX1217RP x 2) Compatible Drive Type* (See 3.5" SATA HDD all supported drives) 2.5" SATA SSD Hot Swappable Drive v Synology only guarantees full functionality, reliability, and performance for Synology drives listed on the compatibility list. The use of non - Synology RS4021xs | Product Specifications - Page 4
Form Factor (RU) 3U Size (Height x Width x Depth) 132.3 mm x 482 mm x 656.5 mm Weight 17.4 kg Rack Installation Support* 4-post 19" rack (Synology Rail Kit - RKS-02) Notes The rail kit is sold separately Others System Fan 80 mm x 80 mm x 3 pcs Fan Speed Mode Full-Speed Mode Cool Mode - Synology RS4021xs | Product Specifications - Page 5
Environment: Fully loaded with Seagate 2TB ST2000VN000 hard drive(s) in the idle state. Two G.R.A.S. Type 40AE microphones, each set up 1 meter away from the Synology NAS at the front and rear. Background noise: 16.49-17.51 dB(A); Temperature: 24.25-25.75˚C; Humidity: 58.2-61.8% 0°C to 35°C (32°F to - Synology RS4021xs | Product Specifications - Page 6
Accessory Pack X 1 AC Power Cord X 2 Quick Installation Guide X 1 Optional Accessories DDR4 ECC UDIMM: D4EC-2666-16G Expansion : E10G21-F2/E10G18-T2/E10G18-T1 Rail Kit Sliding: RKS-02 VisualStation: VS360HD Specs DSM Specifications Storage Management Maximum Single Volume Size* 1 PB (64GB RAM - Synology RS4021xs | Product Specifications - Page 7
SSD Read / Write Cache (White Paper) v SSD TRIM v RAID Group v RAID F1 Basic JBOD Supported RAID Type RAID 0 RAID 1 RAID 5 RAID 6 RAID 10 RAID Migration Basic to RAID 1 Basic to RAID 5 RAID 1 to RAID 5 RAID 5 to RAID 6 RAID F1 Volume - Synology RS4021xs | Product Specifications - Page 8
TB (with memory equal to or greater than 32 GB). File Services File Protocol SMB/AFP/NFS/FTP/WebDAV Maximum Concurrent SMB/AFP/FTP Connections 4,000 RAM expansion, all memory slots are installed with the maximum capacity of supported RAM. During testing, the maximum number of SSDs supported - Synology RS4021xs | Product Specifications - Page 9
Tasks 32 Hybrid Share Maximum Hybrid Share Folders 15 Notes FSohrarmeofroelddeertsa,iclshaebcokutthtishearmticalxei.mum number of Hybrid High Availability Synology High Availability v Log Center Syslog Events per Second 3,000 Virtualization VMware vSphere with VAAI v Windows Server 2016 - Synology RS4021xs | Product Specifications - Page 10
Supported Browsers Supported Language Notes Google Chrome Firefox Microsoft Edge Safari ESnvegnlisshk,aD, Neuetdsecrhla,nFdrasn, çРaуiсsс,кItиaйli,aPnool list Antivirus by McAfee (Trial) v Central Management System v Synology Chat Maximum Users 6,000 Maximum Number of Concurrent Users Notes - Synology RS4021xs | Product Specifications - Page 11
i7S.0C.SI Manager has been renamed to SAN Manager in DSM Synology MailPlus / MailPlus Server Free Email Accounts 5 (Licenses required for cache. For tested models with expandable memory, the maximum amount of RAM was installed. Notes The performance of the mail system will slightly decrease - Synology RS4021xs | Product Specifications - Page 12
Synology Drive Recommended Number of Concurrent Sync Clients Recommended Number of Hosted Files Notes 65,536 9ca0m(ienrcalsu)ding 2 Free License) (see all supported IP For tested models with expandable memory, the maximum amount of RAM was installed. Btrfs file system and non-encrypted shared - Synology RS4021xs | Product Specifications - Page 13
Synology Office Maximum Users Notes Video Station v Virtual Machine Manager Recommended Virtual by 30 users simultaneously. For tested models with expandable memory, the maximum amount of RAM was installed. Client performance may affect maximum simultaneous editing users. Client PCs used for testing:
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